1301720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4649}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 3348000

約数和(自身を除く): 2046280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4649, 9298, 18596, 23245, 32543, 37192, 46490, 65086, 92980, 130172, 162715, 185960, 260344, 325430, 650860, 1301720]

約数ペア:

[(1, 1301720), (2, 650860), (4, 325430), (5, 260344), (7, 185960), (8, 162715), (10, 130172), (14, 92980), (20, 65086), (28, 46490), (35, 37192), (40, 32543), (56, 23245), (70, 18596), (140, 9298), (280, 4649)]